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1408069397687 is a prime number
BaseRepresentation
bin10100011111010111011…
…110011110110010110111
311222121110202222200002212
4110133113132132302313
5141032211231211222
62554505205524035
7203505162254561
oct24372736366267
94877422880085
101408069397687
114a31825151a7
121a8a8771361b
13a2a1b6375c4
144c2181ba331
15269617b76e2
hex147d779ecb7

1408069397687 has 2 divisors, whose sum is σ = 1408069397688. Its totient is φ = 1408069397686.

The previous prime is 1408069397633. The next prime is 1408069397689. The reversal of 1408069397687 is 7867939608041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1408069397687 - 210 = 1408069396663 is a prime.

Together with 1408069397689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1408069397689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704034698843 + 704034698844.

It is an arithmetic number, because the mean of its divisors is an integer number (704034698844).

Almost surely, 21408069397687 is an apocalyptic number.

1408069397687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408069397687 is an equidigital number, since it uses as much as digits as its factorization.

1408069397687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109734912, while the sum is 68.

The spelling of 1408069397687 in words is "one trillion, four hundred eight billion, sixty-nine million, three hundred ninety-seven thousand, six hundred eighty-seven".